Chemistry Flashcard

Front

What indicates that a chemical reaction has occurred?

Back

The formation of gas bubbles, a change in color, an odor, or all of these.

Front

What are the chemicals on the right side of a chemical equation called?

Back

Products.

Front

What is a solid formed by the chemical reaction of some solutions called?

Back

Precipitate.

Front

Are chemical reactions the only way to form compounds?

Back

No, they are not.

Front

What does the law of conservation of mass state?

Back

The total amount of mass on the right side of a chemical equation is always equal to the total amount of mass on the left side.

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What is a reactant?

Back

A substance that undergoes change during a chemical reaction.

Front

What is a product in a chemical reaction?

Back

A substance that is formed as a result of a chemical reaction.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What is an example of a chemical change?

Back

Burning wood.